With more fuel, your cells work harder and more efficiently, resulting in better, healthier skin.

forehead wrinkles) or a particularly stubborn blemish.

Just maintain reasonable expectations, says Dr. Sobel.

Image may contain Face Head Person Photography Portrait and Adult

Greg Conraux / Gallery Stock

Thats not to say they dont offer any benefit; theyll just deliver results a little more slowly.

What skin care should you put on your face before a red-light wand?

In those cases, she recommends sticking to gentle, hydrating formulas, like ahyaluronic-acid serum.

Image may contain: Electronics, and LED

How long does it take to see the results of red-light therapy?

Dont expect instantaneous results from LED therapy, says Matney.

These cumulative benefits take a while, but theyre worth the effort.

Image may contain: Blade, Weapon, and Razor

How often should you use a red-light wand?

Dr. Sobel also advises that you shield your eyes to avoid sensitizing them.

Meet the Experts

Image may contain: Electrical Device, Microphone, Electronics, and Remote Control

Image may contain: Lamp, Appliance, Blow Dryer, Device, Electrical Device, and Microphone

Image may contain: Cup, Bowl, and Tub

Image may contain: Lighting, Lamp, Appliance, Blow Dryer, Device, Electrical Device, and Light